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Arch Chemicals

Norwalk, Connecticut, United States

Ownership: Private
Employees: ~3000
Development stage: Other

Overview

Arch Chemicals, Inc. was a global specialty chemicals company founded in 1998, specializing in biocides for microbial control. Headquartered in Norwalk, CT, it generated approximately $1.4 billion in sales with about 3,000 employees before being acquired by Lonza Group Ltd in 2011 for $1.2 billion. Its products targeted diverse applications including water treatment, wood preservation, paints, personal care, and hygiene, with significant relevance in healthcare-related areas like hospital disinfectants.

Industry: Chemicals & Materials

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